SX-EW Cement Copper Sludge from China
Precipitated copper sludge from solvent extraction-electrowinning (SX-EW) plant bleed streams, recovered via cementation. This product falls under tariff item 7401.00.00 as cement copper from hydrometallurgical operations.
Duty Rate — China → Canada
0%
Import Tips
• Document the SX-EW process and cementation recovery method for CBSA classification
• Provide the copper content and moisture level for valuation purposes
• Ensure the sludge is not contaminated with organic solvents that could affect classification